GB8504260D0 - Optical disc record players - Google Patents

Optical disc record players

Info

Publication number
GB8504260D0
GB8504260D0 GB858504260A GB8504260A GB8504260D0 GB 8504260 D0 GB8504260 D0 GB 8504260D0 GB 858504260 A GB858504260 A GB 858504260A GB 8504260 A GB8504260 A GB 8504260A GB 8504260 D0 GB8504260 D0 GB 8504260D0
Authority
GB
United Kingdom
Prior art keywords
optical disc
disc record
record players
players
optical
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
GB858504260A
Other versions
GB2154766A (en
GB2154766B (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sony Corp filed Critical Sony Corp
Publication of GB8504260D0 publication Critical patent/GB8504260D0/en
Publication of GB2154766A publication Critical patent/GB2154766A/en
Application granted granted Critical
Publication of GB2154766B publication Critical patent/GB2154766B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G11B19/28—Speed controlling, regulating, or indicating
GB08504260A 1984-02-20 1985-02-19 Optical disc record players Expired GB2154766B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59028712A JPS60173767A (en) 1984-02-20 1984-02-20 Speed control circuit of optical disc

Publications (3)

Publication Number Publication Date
GB8504260D0 true GB8504260D0 (en) 1985-03-20
GB2154766A GB2154766A (en) 1985-09-11
GB2154766B GB2154766B (en) 1987-02-18

Family

ID=12256062

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08504260A Expired GB2154766B (en) 1984-02-20 1985-02-19 Optical disc record players

Country Status (7)

Country Link
US (1) US4646280A (en)
JP (1) JPS60173767A (en)
KR (1) KR930007182B1 (en)
CA (1) CA1232681A (en)
DE (1) DE3505681C2 (en)
FR (1) FR2559936B1 (en)
GB (1) GB2154766B (en)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0760564B2 (en) * 1985-12-20 1995-06-28 ソニー株式会社 Disk playback device
EP0237682B1 (en) * 1985-12-24 1991-02-27 Kabushiki Kaisha Toshiba Control system for optical information reproducing apparatus
JPS62259263A (en) * 1986-05-06 1987-11-11 Pioneer Electronic Corp Method and device for leading-in of spindle servo
JPH0652571B2 (en) * 1987-06-23 1994-07-06 ティアツク株式会社 Optical disc player
JPH0268764A (en) * 1988-09-02 1990-03-08 Pioneer Electron Corp Multiple speed reproducing controller for video disk player
JPH0724142B2 (en) * 1989-04-28 1995-03-15 株式会社ケンウッド Optical disc servo circuit
US5513326A (en) * 1989-06-12 1996-04-30 Quantum Corporation System for optimizing data transfer
JP2840764B2 (en) * 1989-08-18 1998-12-24 ソニー株式会社 Disc player and peak value detection method
EP0440224B1 (en) * 1990-02-01 1996-04-03 Matsushita Electric Industrial Co., Ltd. Data playback apparatus for realizing high transfer rate
JPH04233612A (en) * 1990-12-28 1992-08-21 Sony Corp Optical disk reproducing device
DE4102825A1 (en) * 1991-01-31 1992-08-06 Thomson Brandt Gmbh Shortening access time of CD player - not reducing speed of disc until scanning head has reached target position on target track
US5627805A (en) * 1995-11-15 1997-05-06 Zen Research N.V. Methods and apparatus for high speed optical storage device
US5701283A (en) * 1995-11-15 1997-12-23 Zen Research N.V. Method and apparatus for high speed optical storage device
US5907526A (en) * 1995-11-15 1999-05-25 Zen Research N.V. Methods and apparatus for simultaneously reading multiple tracks of an optical storage medium
US5652746A (en) * 1995-11-15 1997-07-29 Zen Research N.V. Electronic track detection methods for apparatus for simultaneously reading multiple adjacent tracks of an optical disk
US5793549A (en) * 1995-11-15 1998-08-11 Zen Research N.V. Methods and apparatus for synchronizing read out of data from multiple tracks of an optical storage device
US5793715A (en) * 1995-11-15 1998-08-11 Zen Research N.V. Methods and apparatus for reducing the access time of an optical drive
WO1997018560A1 (en) * 1995-11-15 1997-05-22 Zen Research N.V. Track detection methods and apparatus for simultaneous electronic monitoring of multiple adjacent tracks of an optical disk
US6381210B1 (en) 1995-11-15 2002-04-30 Zen Research (Ireland) Ltd. Methods and apparatus for concurrently processing data from multiple tracks of an optical storage medium
US6021447A (en) * 1997-12-12 2000-02-01 Scenix Semiconductor, Inc. Non-intrusive in-system programming using in-system programming circuitry coupled to oscillation circuitry for entering, exiting, and performing in-system programming responsive to oscillation circuitry signals
US6137763A (en) * 1998-09-24 2000-10-24 Zen Research N.V. Method and apparatus for buffering data in a multi-beam optical disk reader
AU2001296283A1 (en) * 2000-09-21 2002-04-02 Gsi Lumonics Corporation Digital control servo system
GB0313887D0 (en) * 2003-06-16 2003-07-23 Gsi Lumonics Ltd Monitoring and controlling of laser operation
US20050165590A1 (en) * 2004-01-23 2005-07-28 Yuhong Huang System and method for virtual laser marking
WO2009116972A1 (en) * 2008-03-20 2009-09-24 Thomson Licensing System and method for processing priority transport stream data in real time in a multi-channel broadcast multimedia system
BRPI0822222A2 (en) * 2008-11-04 2015-06-23 Thomson Licensing System and method for scheduling diversion function in a multichannel broadcast multimedia system
CN102124750B (en) * 2008-11-07 2014-10-08 汤姆逊许可证公司 System and method for providing content stream filtering in a multi-channel broadcast multimedia system

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53183A (en) * 1976-06-23 1978-01-05 Nishihara Kankiyou Eisei Kenki Carrier device
US4388713A (en) * 1979-12-27 1983-06-14 Victor Company Of Japan, Ltd. Rotation control system in a rotary recording medium reproducing apparatus
DE3030720A1 (en) * 1980-08-14 1982-03-18 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Synchronous control of magnetic disc recording - has digital synchronous drive to allow constant sampling rate of recorded information
US4460988A (en) * 1980-10-20 1984-07-17 At&T Bell Laboratories Data accessing system for optical disk mass memory
US4481615A (en) * 1981-02-02 1984-11-06 Sanyo Electric Co., Ltd. Motor controlling circuit of reproducing apparatus and method of controlling
JPS5888874A (en) * 1981-11-20 1983-05-27 Toshiba Corp Information recording and reproducing device
JPS5898881A (en) * 1981-12-08 1983-06-11 Pioneer Video Corp Time base controller for reproducing device of information recording disc
EP0103028B1 (en) * 1982-03-18 1986-09-03 Sanyo Electric Co., Ltd Speed control circuit for motor
JPS58188340A (en) * 1982-04-28 1983-11-02 Sony Corp Optical reproducer
JPS59185071A (en) * 1983-04-04 1984-10-20 Hitachi Ltd Controller of reproducing speed of information recording disc

Also Published As

Publication number Publication date
CA1232681A (en) 1988-02-09
JPS60173767A (en) 1985-09-07
FR2559936A1 (en) 1985-08-23
US4646280A (en) 1987-02-24
GB2154766A (en) 1985-09-11
DE3505681C2 (en) 1994-05-26
DE3505681A1 (en) 1985-08-22
GB2154766B (en) 1987-02-18
JPH0522984B2 (en) 1993-03-31
FR2559936B1 (en) 1992-10-16
KR850007145A (en) 1985-10-30
KR930007182B1 (en) 1993-07-31

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee